Urmi is playing a game on a computer. If the computer screen displays the number x, then in
the next move, Urmi can do one of the following:
1. Replace x by 4x + 1
2. Replace x by the largest integer not greater
than x/2
Initially the computer screen displays 0. How
many different integers less than or equal to 2020
can Urmi achieve through a sequence of moves?
It is permitted for the number displayed on the
screen to exceed 2020 during the sequence.

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

the answer would be 44.79

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step-by-step explanation:

step-by-step explanation:

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